diff options
author | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-11 05:27:15 -0300 |
---|---|---|
committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-11 05:27:15 -0300 |
commit | 4d9367b76f71c6d938cf8201392abe4bfb1136cb (patch) | |
tree | 93a31afc3151c19e4906aed6748e842d8431fb02 /hw/pflash_cfi01.c | |
parent | 6b414d9fb86527118f3ddb81a1d1a684b3548a9d (diff) | |
parent | 8e65440d5f64435c003d32088757f702b86af9b4 (diff) |
* upstream-merge: (575 commits)
ssi: Add slave autoconnect helper
MAINTAINERS: Added maintainerships for SSI
xilinx_zynq: Added SPI controllers + flashes
xilinx_spips: Xilinx Zynq SPI cntrlr device model
petalogix-ml605: added SPI controller with n25q128
xilinx_spi: Initial impl. of Xilinx SPI controller
m25p80: Initial implementation of SPI flash device
hw: Added generic FIFO API.
stellaris: Removed SSI mux
qdev: allow multiple qdev_init_gpio_in() calls
ssi: Added create_slave_no_init()
ssi: Implemented CS behaviour
ssi: Support for multiple attached devices
qemu-barrier: Fix compilation on i386 hosts
target-sparc: Optimize conditionals using SUBCC
target-sparc: Fall through from not-taken trap
target-sparc: Cleanup "global" temporary allocation
target-sparc: Use movcond for FMOV*R
target-sparc: Use movcond in mulscc
target-sparc: Move taddcctv and tsubcctv out of line
...
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'hw/pflash_cfi01.c')
-rw-r--r-- | hw/pflash_cfi01.c | 50 |
1 files changed, 8 insertions, 42 deletions
diff --git a/hw/pflash_cfi01.c b/hw/pflash_cfi01.c index d1c742379..3b437da9c 100644 --- a/hw/pflash_cfi01.c +++ b/hw/pflash_cfi01.c @@ -41,6 +41,7 @@ #include "block.h" #include "qemu-timer.h" #include "exec-memory.h" +#include "host-utils.h" #define PFLASH_BUG(fmt, ...) \ do { \ @@ -320,7 +321,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset, } pfl->wcycle++; pfl->cmd = cmd; - return; + break; case 1: switch (pfl->cmd) { case 0x10: /* Single Byte Program */ @@ -375,7 +376,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset, default: goto error_flash; } - return; + break; case 2: switch (pfl->cmd) { case 0xe8: /* Block write */ @@ -406,7 +407,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset, default: goto error_flash; } - return; + break; case 3: /* Confirm mode */ switch (pfl->cmd) { case 0xe8: /* Block write */ @@ -422,7 +423,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset, default: goto error_flash; } - return; + break; default: /* Should never happen */ DPRINTF("%s: invalid write state\n", __func__); @@ -441,7 +442,6 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset, pfl->bypass = 0; pfl->wcycle = 0; pfl->cmd = 0; - return; } @@ -543,42 +543,6 @@ static const MemoryRegionOps pflash_cfi01_ops_le = { .endianness = DEVICE_NATIVE_ENDIAN, }; -/* Count trailing zeroes of a 32 bits quantity */ -static int ctz32 (uint32_t n) -{ - int ret; - - ret = 0; - if (!(n & 0xFFFF)) { - ret += 16; - n = n >> 16; - } - if (!(n & 0xFF)) { - ret += 8; - n = n >> 8; - } - if (!(n & 0xF)) { - ret += 4; - n = n >> 4; - } - if (!(n & 0x3)) { - ret += 2; - n = n >> 2; - } - if (!(n & 0x1)) { - ret++; -#if 0 /* This is not necessary as n is never 0 */ - n = n >> 1; -#endif - } -#if 0 /* This is not necessary as n is never 0 */ - if (!n) - ret++; -#endif - - return ret; -} - pflash_t *pflash_cfi01_register(target_phys_addr_t base, DeviceState *qdev, const char *name, target_phys_addr_t size, @@ -711,7 +675,7 @@ pflash_t *pflash_cfi01_register(target_phys_addr_t base, pfl->cfi_table[0x33] = 'I'; pfl->cfi_table[0x34] = '1'; - pfl->cfi_table[0x35] = '1'; + pfl->cfi_table[0x35] = '0'; pfl->cfi_table[0x36] = 0x00; pfl->cfi_table[0x37] = 0x00; @@ -723,6 +687,8 @@ pflash_t *pflash_cfi01_register(target_phys_addr_t base, pfl->cfi_table[0x3b] = 0x00; pfl->cfi_table[0x3c] = 0x00; + pfl->cfi_table[0x3f] = 0x01; /* Number of protection fields */ + return pfl; } |